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Prepaid Expenses and Other Current Assets | 12 Months Ended
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Dec. 31, 2019
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract] |
Prepaid Expenses and Other Current Assets |
4. | PREPAID EXPENSES AND OTHER CURRENT ASSETS
Prepaid expenses and other current assets consisted of the following:
|  | As of December 31, |
|  | 2018 |  |  | 2019 |
|  | RMB |  |  | RMB |
Prepaid and input VAT |  |  | 58,234 |  |  |  | 120,376 |
Prepaid expenses (1) |  |  | 10,820 |  |  |  | 21,896 |
Prepaid marketing expenses |  |  | 23,756 |  |  |  | 16,192 |
Deposits (2) |  |  | 4,595 |  |  |  | 8,929 |
Receivables from third-party payment platforms |  |  | 3,886 |  |  |  | 4,367 |
Interest receivables |  |  | 11,632 |  |  |  | 1,737 |
Staff advances |  |  | 9,242 |  |  |  | 751 |
Others |  |  | 2,743 |  |  |  | 6,633 |
Total |  |  | 124,908 |  |  |  | 180,881 |
| (1) | Represented the prepaid expenses for telecommunications, network, online live steaming, advertising and student academic registration fee.
| (2) | Represented rental deposits, deposits for search engine marketing activities and deposits for leasehold improvement of buildings which all being refundable within one year.

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